<?php
if($_POST["taikhoan"]==NULL)
{
echo"xin vui long nhap tai khoan";
}
else
{
$username=$_POST["taikhoan"];
}
if($_POST["matkhau"]==NULL)
{
echo"Xin vui long nhap mat khau";
}
else
{
$password=$_POST["matkhau"];
}
if($username && $password)
{
echo"Username cua ban la : $username";
echo"Password cua ban la : $password";
}
?>